There's money to be made in regulation, too.
The annual remuneration packages published in CASA's Annual Report 2018-19 include:
Shane Carmody: $668,640
Graham Crawford: $503, 785
Jonathan Aleck: $366,395
(See
https://www.casa.gov.au/sites/defaul...-2018-2019.pdf Part 7 Appendix B Table B.5. Lots of other 'interesting' information about remuneration there.)